diff options
| author | Jason Gunthorpe <jgg@ziepe.ca> | 2017-11-17 16:24:03 +0300 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-01-08 13:58:36 +0300 |
| commit | 6e592a065d51d26f9d62b8b7501a5114076af8b4 (patch) | |
| tree | 7297d133dcf53bf910d7e3f16e8586b1426382cf /drivers/char/hw_random/Kconfig | |
| parent | aad887f6641145fec2a801da2ce4ed36cf99c6a5 (diff) | |
| download | linux-6e592a065d51d26f9d62b8b7501a5114076af8b4.tar.xz | |
tpm: Move Linux RNG connection to hwrng
The tpm-rng.c approach is completely inconsistent with how the kernel
handles hotplug. Instead manage a hwrng device for each TPM. This will
cause the kernel to read entropy from the TPM when it is plugged in, and
allow access to the TPM rng via /dev/hwrng.
Signed-off-by: Jason Gunthorpe <jgg@ziepe.ca>
Tested-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char/hw_random/Kconfig')
| -rw-r--r-- | drivers/char/hw_random/Kconfig | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index f6e3e5abc117..88044eda0ac6 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -306,19 +306,6 @@ config HW_RANDOM_POWERNV If unsure, say Y. -config HW_RANDOM_TPM - tristate "TPM HW Random Number Generator support" - depends on TCG_TPM - default HW_RANDOM - ---help--- - This driver provides kernel-side support for the Random Number - Generator in the Trusted Platform Module - - To compile this driver as a module, choose M here: the - module will be called tpm-rng. - - If unsure, say Y. - config HW_RANDOM_HISI tristate "Hisilicon Random Number Generator support" depends on HW_RANDOM && ARCH_HISI |